The Chair of the Operations Management Department at Quality University wants to construct a p-chart for determining whether the four faculty teaching the basic P/OM course are under control with regard to the number of students who fail the course. Accordingly, he sampled 100 final grades from last year for each instructor, with the following results:
What are the 95.5% upper and lower control limits for the p-chart?
0.95 and .05
0.13 and .07
0.1588 and .0412
0.16 and .04
0.1774 and .0226
0.19 and .01
Studies on a bottling machine indicate that the average fill amount is 16 ounces, with a standard deviation of 0.02 ounces. The specification limits are +/- 0.2 ounces. What is the process capability index (Cpk) for this bottling process?